package com.hotel.security.model;

import com.alibaba.fastjson.annotation.JSONField;
import com.hotel.entity.Function;
import com.hotel.entity.User;
import lombok.Data;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

@Data
public class LoginUser implements UserDetails {

    private User user;

    //存储权限信息
    private List<Function> permissions;

    //存储SpringSecurity所需要的权限信息的集合
    @JSONField(serialize = false)
    private List<SimpleGrantedAuthority> authorities;

    public LoginUser() {
    }

    public LoginUser(User user, List permissions) {
        this.user = user;
        this.permissions = permissions;
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities != null) {
            return authorities;
        }
        //把permissions中字符串类型的权限信息转换成GrantedAuthority对象存入authorities中
        authorities = new ArrayList<>();
        for (Function function : permissions) {
            SimpleGrantedAuthority authority = new SimpleGrantedAuthority(function.getUrl());
            authorities.add(authority);
        }
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getUserPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {//是否可用
        return true;
    }
}
